81917121

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17359}}^1$

素因数の和:17397

約数の個数: 24

約数和(自身を含む): 129297280

約数和(自身を除く): 47380159

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 429, 1573, 4719, 17359, 52077, 190949, 225667, 572847, 677001, 2100439, 2482337, 6301317, 7447011, 27305707, 81917121]

約数ペア:

[(1, 81917121), (3, 27305707), (11, 7447011), (13, 6301317), (33, 2482337), (39, 2100439), (121, 677001), (143, 572847), (363, 225667), (429, 190949), (1573, 52077), (4719, 17359)]